Issue 15, 2022

High-throughput screening, next generation sequencing and machine learning: advanced methods in enzyme engineering

Abstract

Enzyme engineering is an important biotechnological process capable of generating tailored biocatalysts for applications in industrial chemical conversion and biopharma. Typical enhancements sought in enzyme engineering and in vitro evolution campaigns include improved folding stability, catalytic activity, and/or substrate specificity. Despite significant progress in recent years in the areas of high-throughput screening and DNA sequencing, our ability to explore the vast space of functional enzyme sequences remains severely limited. Here, we review the currently available suite of modern methods for enzyme engineering, with a focus on novel readout systems based on enzyme cascades, and new approaches to reaction compartmentalization including single-cell hydrogel encapsulation techniques to achieve a genotype–phenotype link. We further summarize systematic scanning mutagenesis approaches and their merger with deep mutational scanning and massively parallel next-generation DNA sequencing technologies to generate mutability landscapes. Finally, we discuss the implementation of machine learning models for computational prediction of enzyme phenotypic fitness from sequence. This broad overview of current state-of-the-art approaches for enzyme engineering and evolution will aid newcomers and experienced researchers alike in identifying the important challenges that should be addressed to move the field forward.

Graphical abstract: High-throughput screening, next generation sequencing and machine learning: advanced methods in enzyme engineering

Article information

Article type
Feature Article
Submitted
20 avq 2021
Accepted
23 yan 2022
First published
24 yan 2022
This article is Open Access
Creative Commons BY-NC license

Chem. Commun., 2022,58, 2455-2467

High-throughput screening, next generation sequencing and machine learning: advanced methods in enzyme engineering

R. Vanella, G. Kovacevic, V. Doffini, J. Fernández de Santaella and M. A. Nash, Chem. Commun., 2022, 58, 2455 DOI: 10.1039/D1CC04635G

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